/* #theme_select {
  display: none;
}
#theme_top {
  display: none;
}
#question {
  display: none;
}
#answer {
  display: none;
}
#theme_end {
  display: none;
}
#judge {
  display: none;
} */

#loading{
  position: absolute;
  max-width: 50%;
  top: 50%;
  left: 50%;
  -ms-transform: translate(-50%,-50%);
  -webkit-transform: translate(-50%,-50%);
  transform: translate(-50%,-50%);
  text-align: center;
}
#loader-bg {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0px;
  left: 0px;
  background: #FFF;
  z-index: 11;
}